@misc{cryptoeprint:2020:1315,
    author = {Steven D. Galbraith and Robert Granger and Simon-Philipp Merz and Christophe Petit},
    title = {On Index Calculus Algorithms for Subfield Curves},
    howpublished = {Cryptology ePrint Archive, Report 2020/1315},
    year = {2020},
    url = {https://eprint.iacr.org/2020/1315},
}