@inproceedings{1971-heindel ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1971/\allowbreak heindel}} ,author={Lee E. Heindel and Ellis Horowitz} ,crossref={1971-hennie} ,pages={126--128} ,title={{On decreasing the computing time for modular arithmetic}} ,year={1971} }