%% You should probably cite rfc7227 instead of this I-D.
@techreport{ietf-dhc-option-guidelines-14,
    number =    {draft-ietf-dhc-option-guidelines-14},
    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-option-guidelines/14/},
    author =    {David Hankins and Tomek Mrugalski and Marcin Siodelski and Sheng Jiang and Suresh Krishnan},
    title =     {{Guidelines for Creating New DHCPv6 Options}},
    pagetotal = 31,
    year =      2013,
    month =     sep,
    day =       19,
    abstract =  {This document provides guidance to prospective DHCPv6 Option developers to help them creating option formats that are easily adoptable by existing DHCPv6 software. This document updates RFC3315.},
}