@article{1980-williams ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1980/\allowbreak williams}} ,author={Hugh C. Williams} ,ISSN={0018--9448} ,journal={IEEE Transactions on Information Theory} ,pages={726--729} ,title={{A modification of the RSA public-key encryption procedure}} ,volume={26} ,year={1980} }