\bib{1994/lam-exp} \yr 1994 \by K. Y. Lam \by L. C. K. Hui \paper On the efficiency of $SS(l)$ square-and-multiply exponentiation algorithms \jour Electronics Letters \issn 0013--5194 \vol 30 \pages 2115--2116 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1994/\allowbreak lam-exp \endref