%% You should probably cite rfc7283 instead of this I-D.
@techreport{ietf-dhc-dhcpv6-unknown-msg-03,
    number =    {draft-ietf-dhc-dhcpv6-unknown-msg-03},
    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-dhc-dhcpv6-unknown-msg/03/},
    author =    {Yong Cui and Qi Sun and Ted Lemon},
    title =     {{Handling Unknown DHCPv6 Messages}},
    pagetotal = 5,
    year =      2013,
    month =     nov,
    day =       12,
    abstract =  {Dynamic Host Configuration Protocol version 6 (DHCPv6) isn't specific about handling messages with unknown types. This memo describes the problems and defines how a DHCPv6 function node should behave in this case. This document updates RFC 3315.},
}