Bart Van Rompay Alex Biryukov Bart Preneel Joos Vandewalle Cryptanalysis of 3-Pass HAVAL. 228-245 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2894&spage=228 2003 conf/asiacrypt/2003 ASIACRYPT db/conf/asiacrypt/asiacrypt2003.html#RompayBPV03