@misc{cryptoeprint:2015:505,
    author = {Razvan Barbulescu and Pierrick Gaudry and Thorsten Kleinjung},
    title = {The Tower Number Field Sieve},
    howpublished = {Cryptology ePrint Archive, Report 2015/505},
    year = {2015},
    url = {https://eprint.iacr.org/2015/505},
}