\bib{1987/itoh} \yr 1987 \by Toshiya Itoh \paper Efficient probabilistic algorithm for solving quadratic equations over finite fields \jour Electronics Letters \issn 0013--5194 \vol 23 \pages 869--870 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1987/\allowbreak itoh \endref