\bib{1978/pohlig} \yr 1978 \mr 58:4617 \by Stephen C. Pohlig \by Martin E. Hellman \paper An improved algorithm for computing logarithms over GF$(p)$ and its cryptographic significance \jour IEEE Transactions on Information Theory \issn 0018--9448 \vol 24 \pages 106--110 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1978/\allowbreak pohlig \endref