Add link to an alternative generator with a long-period.
diff --git a/Doc/library/random.rst b/Doc/library/random.rst
index 9e55665..e9f4d82 100644
--- a/Doc/library/random.rst
+++ b/Doc/library/random.rst
@@ -325,3 +325,7 @@
Wichmann, B. A. & Hill, I. D., "Algorithm AS 183: An efficient and portable
pseudo-random number generator", Applied Statistics 31 (1982) 188-190.
+ `Complementary-Multiply-with-Carry recipe
+ <http://code.activestate.com/recipes/576707/>`_ for a compatable alternative
+ random number generator with a long-period and comparatively simple update
+ operations.