%% You should probably cite draft-ietf-6man-pio-pflag instead of this I-D.
@techreport{collink-6man-pio-pflag-00,
    number =    {draft-collink-6man-pio-pflag-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-collink-6man-pio-pflag/00/},
    author =    {Lorenzo Colitti and Jen Linkova},
    title =     {{Signalling DHCPv6 Prefix Delegation Availability to Hosts}},
    pagetotal = 8,
    year =      2023,
    month =     mar,
    day =       27,
    abstract =  {This document defines a ‘P’ flag in the Prefix Information Option of IPv6 Router Advertisements (RAs). The flag is used to indicate that the network prefers that hosts acquire global addresses using DHCPv6 PD instead of using SLAAC for this prefix.},
}