On Apr 9, 2006, at 2:58 AM, Stef Mientki wrote:

> But now I want to use a 32 bit random generator

You might want to look at lengths between 24 and 32 bits.
I've noticed recently that the byte-wide shift registers aren't
necessarily the easiest to make into LFSR random number generators.
For instance, for a 31-bit LFSR, there are several tap sequences
that only reference two bits, so you could potentially trade off
slightly more difficult shifting for easier bit XORing...

http://homepage.mac.com/afj/taplist.html

BillW

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