@article{coppersmith93,
  author = {Don Coppersmith},
  title = {{Modifications to the Number Field Sieve}},
  journal = {Journal of Cryptology 6, 169–180},
  year = {1993},
  doi = {10.1007/BF00198464},
  url = {https://research.ibm.com/publications/modifications-to-the-number-field-sieve},
  keywords = {factoring, multiple number fields, number field sieve},
  cr_date = {1993-03-31},
  cr_date_precision = {month},
  cr_status = {published},
  cr_venue = {Journal of Cryptology 6, 169–180},
  cr_author_ids = {don-coppersmith}
}