@inbook{Boudot_2020,
title={Comparing the Difficulty of Factorization and Discrete Logarithm: A 240-Digit Experiment},
ISBN={9783030568801},
ISSN={1611-3349},
url={http://dx.doi.org/10.1007/978-3-030-56880-1_3},
DOI={10.1007/978-3-030-56880-1_3},
booktitle={Lecture Notes in Computer Science},
publisher={Springer International Publishing},
author={Boudot,
Fabrice and Gaudry,
Pierrick and Guillevic,
Aurore and Heninger,
Nadia and Thomé,
Emmanuel and Zimmermann,
Paul},
year={2020},
pages={62–91} }