\bib{1987/lenstra-fiec}
\yr 1987
\mr 89g:11125
\by Hendrik W. Lenstra, Jr.
\paper Factoring integers with elliptic curves
\jour Annals of Mathematics
\issn 0003--486X
\vol 126
\pages 649--673
\url http://links.jstor.org/sici?sici=0003-486X(198711)2:126:3<649:FIWEC>2.0.CO;2-V
\endref