@article{1987-itoh ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1987/\allowbreak itoh}} ,author={Toshiya Itoh} ,ISSN={0013--5194} ,journal={Electronics Letters} ,pages={869--870} ,title={{Efficient probabilistic algorithm for solving quadratic equations over finite fields}} ,volume={23} ,year={1987} }