%% You should probably cite rfc7388 instead of this I-D.
@techreport{ietf-6lo-lowpan-mib-03,
    number =    {draft-ietf-6lo-lowpan-mib-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-6lo-lowpan-mib/03/},
    author =    {Jürgen Schönwälder and Anuj Sehgal and Tina Tsou (Ting ZOU) and Cathy Zhou},
    title =     {{Definition of Managed Objects for IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs)}},
    pagetotal = 26,
    year =      2014,
    month =     aug,
    day =       7,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines objects for managing IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs).},
}