Koh-ichi Nagao Shigenori Uchiyama Naoki Kanayama Kazuto Matsuo Analysis of Baby-Step Giant-Step Algorithms for Non-uniform Distributions. 10-17 http://search.ieice.org/bin/summary.php?id=e87-a_1_10&category=D&year=2004&lang=E&abst= 2004 87-A IEICE Transactions 1 db/journals/ieicet/ieicet87a.html#NagaoUKM04