%% You should probably cite rfc3606 instead of this I-D.
@techreport{ietf-atommib-atm2-19,
    number =    {draft-ietf-atommib-atm2-19},
    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-atommib-atm2/19/},
    author =    {Faye Ly and Andrew H. Smith and Michael V. Noto and Dr. Ethan M. Spiegel and Kaj Tesink},
    title =     {{Definitions of Supplemental Managed Objects for ATM Interface}},
    pagetotal = 94,
    year =      2003,
    month =     may,
    day =       14,
    abstract =  {This memo defines objects used for managing ATM-based interfaces, devices, and services, in addition to those defined in RFC 2515, the ATM-MIB, to provide additional support for the management of ATM Switched Virtual Connections (SVCs) and ATM Permanent Virtual Connections (PVCs).},
}