Bin Zhang Hongjun Wu Dengguo Feng Feng Bao A Fast Correlation Attack on the Shrinking Generator. 72-86 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3376&spage=72 2005 conf/ctrsa/2005 CT-RSA db/conf/ctrsa/ctrsa2005.html#ZhangWFB05