CSE is now storing technical reports in the University of California's eScholarship repository.
If you are looking for one of the technical reports that were registered between 1999 and 2018 (with a published report identification number of the form CS2005-0123), note that those reports were registered with a different system (ncstrl/dienst).
We have converted/moved those reports to eScholarship, but the report numbering scheme has changed. However, as a search aid, we have embedded the old ID into the abstract text of the converted reports. In order to find the report via the original ID, do an eScholarship search for that string.