diff --git a/Data/Vector/Random/Mersenne.hs b/Data/Vector/Random/Mersenne.hs
new file mode 100644
--- /dev/null
+++ b/Data/Vector/Random/Mersenne.hs
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+--------------------------------------------------------------------
+-- |
+-- Module    : Data.Vector.Random.Mersenne
+-- Copyright : (c) Don Stewart 2010
+
+-- License   : BSD3
+--
+-- Maintainer: Don Stewart <dons@galois.com>
+-- Stability : provisional
+-- Portability:
+--
+-- Generator for vectors of differen types
+--
+
+module Data.Vector.Random.Mersenne (random) where
+
+import qualified System.Random.Mersenne     as R
+
+import qualified Data.Vector.Generic         as G
+import qualified Data.Vector.Generic.Mutable as GM
+
+import Control.Monad.ST
+
+-- | Return a random vector of length @n@, filled with random elements
+-- of type @a@ generated by the mersenne-twister.
+--
+-- E.g. to compute the sum of 100 million random Double values in a vector:
+--
+-- > import qualified Data.Vector.Unboxed as U
+-- > import System.Random.Mersenne
+-- > import qualified Data.Vector.Random.Mersenne as G
+-- > 
+-- > main = do
+-- >     g <- newMTGen Nothing
+-- >     a <- G.random g 10000000 :: IO (U.Vector Double) -- 100 M
+-- >     print (U.sum a)
+--
+random :: (R.MTRandom a, G.Vector v a) => R.MTGen -> Int -> IO (v a)
+random g n = do
+    v  <- GM.new n
+    fill v 0
+    G.unsafeFreeze v
+  where
+    fill v i
+        | i < n = do
+            x <- R.random g
+            GM.unsafeWrite v i x
+            fill v (i+1)
+        | otherwise = return ()
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+Copyright Don Stewart 2010
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Don Stewart nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,3 @@
+#!/usr/bin/env runhaskell
+import Distribution.Simple
+main = defaultMain
diff --git a/tests/test.hs b/tests/test.hs
new file mode 100644
--- /dev/null
+++ b/tests/test.hs
@@ -0,0 +1,10 @@
+
+import qualified Data.Vector.Unboxed as U
+import System.Random.Mersenne
+import qualified Data.Vector.Random.Mersenne as G
+
+main = do
+    g <- newMTGen Nothing
+    a <- G.random g 10000000 :: IO (U.Vector Double) -- 100 M
+    print (U.sum a)
+
diff --git a/vector-random.cabal b/vector-random.cabal
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--- /dev/null
+++ b/vector-random.cabal
@@ -0,0 +1,62 @@
+-- vector-random.cabal auto-generated by cabal init. For additional
+-- options, see
+-- http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/authors.html#pkg-descr.
+-- The name of the package.
+Name:                vector-random
+
+-- The package version. See the Haskell package versioning policy
+-- (http://www.haskell.org/haskellwiki/Package_versioning_policy) for
+-- standards guiding when and how versions should be incremented.
+Version:             0.1
+
+-- A short (one-line) description of the package.
+Synopsis:            Generate vectors filled with high quality pseudorandom numbers
+
+-- A longer description of the package.
+-- Description:         
+
+-- URL for the project homepage or repository.
+Homepage:            http://code.haskell.org/~dons/code/vector-random
+
+-- The license under which the package is released.
+License:             BSD3
+
+-- The file containing the license text.
+License-file:        LICENSE
+
+-- The package author(s).
+Author:              Don Stewart
+
+-- An email address to which users can send suggestions, bug reports,
+-- and patches.
+Maintainer:          dons@galois.com
+
+-- A copyright notice.
+-- Copyright:           
+
+-- Stability of the pakcage (experimental, provisional, stable...)
+Stability:           Experimental
+
+Category:            Data
+
+Build-type:          Simple
+
+-- Extra files to be distributed with the package, such as examples or
+-- a README.
+-- Extra-source-files:  
+
+-- Constraint on the version of Cabal needed to build this package.
+Cabal-version:       >=1.2
+
+
+Library
+  -- Modules exported by the library.
+  Exposed-modules:     
+    Data.Vector.Random.Mersenne
+  
+  -- Packages needed in order to build this package.
+  Build-depends:       
+    base <= 5,
+    mersenne-random,
+    vector >= 0.5
+