%% You should probably cite rfc2264 instead of this I-D.
@techreport{ietf-snmpv3-usm-03,
    number =    {draft-ietf-snmpv3-usm-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-snmpv3-usm/03/},
    author =    {Uri Blumenthal and Bert Wijnen},
    title =     {{User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)}},
    pagetotal = 76,
    year =      1997,
    month =     oct,
    day =       29,
    abstract =  {This document describes the User-based Security Model (USM) for SNMP version 3 for use in the SNMP architecture {[}RFC2261{]}. It defines the Elements of Procedure for providing SNMP message level security. This document also includes a MIB for remotely monitoring/managing the configuration parameters for this Security Model. {[}STANDARDS-TRACK{]}},
}