%% You should probably cite rfc7148 instead of this I-D.
@techreport{ietf-netext-pd-pmip-01,
    number =    {draft-ietf-netext-pd-pmip-01},
    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-netext-pd-pmip/01/},
    author =    {Xingyue Zhou and Jouni Korhonen and Carl Williams and Sri Gundavelli},
    title =     {{Prefix Delegation for Proxy Mobile IPv6}},
    pagetotal = 13,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {DHCPv6 Prefix Delegation can be used to assign a prefix or prefixes to a mobile router for use on the links in the mobile network as specified in {[}RFC6276{]} but not supported in Proxy Mobile IPv6. This document specifies an extension to Proxy Mobile IPv6 protocol for supporting network mobility using DHCPv6-based Prefix Delegation.},
}