Hard Bits of the Discrete Log with Applications to Password Authentication.

Philip D. MacKenzie Sarvar Patel Hard Bits of the Discrete Log with Applications to Password Authentication. 209-226 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3376&spage=209 2005 conf/ctrsa/2005 CT-RSA db/conf/ctrsa/ctrsa2005.html#MackenzieP05