%% You should probably cite rfc8781 instead of this I-D. @techreport{ietf-6man-ra-pref64-09, number = {draft-ietf-6man-ra-pref64-09}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-6man-ra-pref64/09/}, author = {Lorenzo Colitti and Jen Linkova}, title = {{Discovering PREF64 in Router Advertisements}}, pagetotal = 10, year = 2019, month = dec, day = 19, abstract = {This document specifies a Neighbor Discovery option to be used in Router Advertisements (RAs) to communicate prefixes of Network Address and Protocol Translation from IPv6 clients to IPv4 servers (NAT64) to hosts.}, }