2021.11.03 18:17:39 (1455947293966802944) from Daniel J. Bernstein:
"Exercises on faster isogeny computation": https://velusqrt.isogeny.org/exercises-20210911.pdf Elliptic curves appear starting with exercise 30. Originally written for and distributed as a small part of the huge "Isogeny-based cryptography school" that took place July-September 2021: https://isogenyschool2020.co.uk/