\bib{1994/johansson}
\yr 1994
\mr 94j:94014
\by Thomas Johansson
\paper A shift register construction of unconditionally secure authentication codes
\jour Designs, Codes and Cryptography
\issn 0925--1022
\vol 4
\pages 69--81
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1994/\allowbreak johansson
\endref