Counting Points for Hyperelliptic Curves of Type y2= x5 + ax over Finite Prime Fields.

Eisaku Furukawa Mitsuru Kawazoe Tetsuya Takahashi Counting Points for Hyperelliptic Curves of Type y2= x5 + ax over Finite Prime Fields. 26-41 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3006&spage=26 2003 conf/sacrypt/2003 Selected Areas in Cryptography db/conf/sacrypt/sacrypt2003.html#FurukawaKT03