%% You should probably cite draft-ietf-behave-syslog-nat-logging instead of this I-D.
@techreport{zhou-behave-syslog-nat-logging-00,
    number =    {draft-zhou-behave-syslog-nat-logging-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zhou-behave-syslog-nat-logging/00/},
    author =    {Zhonghua Chen and Cathy Zhou and Tina Tsou (Ting ZOU)},
    title =     {{The Syslog Requirements to Support NAT Log in Traceback Solutions}},
    pagetotal = 12,
    year =      2012,
    month =     jul,
    day =       3,
    abstract =  {This document describes the syslog information that are required for NAT logging. The document will define the NAT logging server which supports traceback and explain the procedure of network location and service support for traceback. The requirements of syslog interface and Radius interface to support NAT log are introduced.},
}