How to access an "unnamed" file

How to access an "unnamed" file

If I'm doing a
ls -al
I get this
...
drwxr-xr-x 2 me users 8192 Juni 28 15:27 tmp
-rw-r--r-- 1 me users 439 Jan. 3 2013
...
How to access the second entry, in terms by which name?