@article{1987-lenstra-fiec ,note={URL: {\tt http://links.jstor.org/sici?sici=0003-486X(198711)2:126:3<649:FIWEC>2.0.CO;2-V}} ,author={Hendrik W. Lenstra, Jr.} ,ISSN={0003--486X} ,journal={Annals of Mathematics} ,MR={89g:11125} ,pages={649--673} ,title={{Factoring integers with elliptic curves}} ,volume={126} ,year={1987} }