\bib{1986/coppersmith} \yr 1986 \mr 87g:11167 \by Don Coppersmith \by Andrew M. Odlyzko \by Richard Schroeppel \paper Discrete logarithms in GF$(p)$ \jour Algorithmica \issn 0178--4617 \vol 1 \pages 1--15 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1986/\allowbreak coppersmith \endref