\bib{1976/diffie}
\yr 1976
\mr 55:10141
\by Whitfield Diffie
\by Martin Hellman
\paper New directions in cryptography
\jour IEEE Transactions on Information Theory
\issn 0018--9448
\vol 22
\pages 644--654
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1976/\allowbreak diffie
\endref