On September 18, 2017 this (legacy) site will be replaced with the new site you can see at beta.csrc.nist.rip. At that time, links to this legacy site will be automatically redirected to apporpriate links on the new site.
December 20, 2016: Announcing Request for Nominations for Public-Key Post-Quantum Cryptographic Algorithms
August 2, 2016: Post-Quantum Cryptography Requirements and Evaluation Criteria