@article{1997-silverman ,note={URL: {\tt http://www.ams.org/journal-getitem?pii=S0025571897008120}} ,author={Joseph H. Silverman} ,ISSN={0025--5718} ,journal={Mathematics of Computation} ,MR={97f:11040} ,pages={787--805} ,title={{Computing canonical heights with little (or no) factorization}} ,volume={66} ,year={1997} }