%% You should probably cite rfc2132 instead of this I-D.
@techreport{ietf-dhc-options-1533update-05,
    number =    {draft-ietf-dhc-options-1533update-05},
    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-options-1533update/05/},
    author =    {Ralph Droms and Steve Alexander},
    title =     {{DHCP Options and BOOTP Vendor Extensions}},
    pagetotal = 34,
    year =      1996,
    month =     nov,
    day =       16,
    abstract =  {This document specifies the current set of DHCP options. Future options will be specified in separate RFCs. The current list of valid options is also available in ftp://ftp.isi.edu/in-notes/iana/assignments. {[}STANDARDS-TRACK{]}},
}