@inproceedings{1983-brassard ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1983/\allowbreak brassard}} ,author={Gilles Brassard} ,crossref={1983-chaum} ,pages={79--86} ,title={{On computationally secure authentication tags requiring short secret shared keys}} ,year={1983} }