A New Simple Technique to Attack Filter Generators and Related Ciphers.

Håkan Englund Thomas Johansson A New Simple Technique to Attack Filter Generators and Related Ciphers. 39-53 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3357&spage=39 2004 conf/sacrypt/2004 Selected Areas in Cryptography db/conf/sacrypt/sacrypt2004.html#EnglundJ04