%% You should probably cite rfc2737 instead of this I-D.
@techreport{ietf-entmib-v2-06,
    number =    {draft-ietf-entmib-v2-06},
    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-entmib-v2/06/},
    author =    {Keith McCloghrie and Andy Bierman},
    title =     {{Entity MIB (Version 2)}},
    pagetotal = 56,
    year =      1999,
    month =     aug,
    day =       23,
    abstract =  {This memo defines a portion of the Management Information Base (M for use with network management protocols in the Internet communi In particular, it describes managed objects used for managing multiple logical and physical entities managed by a single SNMP agent. {[}STANDARDS-TRACK{]}},
}