Paulo S. L. M. Barreto Ben Lynn Michael Scott On the Selection of Pairing-Friendly Groups. 17-25 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3006&spage=17 2003 conf/sacrypt/2003 Selected Areas in Cryptography db/conf/sacrypt/sacrypt2003.html#BarretoLS03