Kyungah Shim Reducing Certain Elliptic Curve Discrete Logarithms to Logarithms in a Finite Field. 514-520 2001 conf/acisp/2001 ACISP http://link.springer.de/link/service/series/0558/bibs/2119/21190514.htm db/conf/acisp/acisp2001.html#Shim01