@inproceedings{1984-elgamal-log-draft
,note={Note: see also newer version $0}
,author={Taher ElGamal}
,crossref={1984-chaum}
,MR={86j:11129}
,pages={275--292}
,title={{A subexponential-time algorithm for computing discrete logarithms over GF$(p^2)$}}
,year={1984}
}