Scott Aaronson
Quantum lower bound for the collision problem
STOC, 2002.
@inproceedings{STOC-2002-Aaronson, author = "Scott Aaronson", booktitle = "{Proceedings of the 34th Annual ACM Symposium on Theory of Computing}", doi = "10.1145/509907.509999", isbn = "1-58113-495-9", pages = "635--642", publisher = "{ACM}", title = "{Quantum lower bound for the collision problem}", year = 2002, }