Actually it's created as a DMT so I guess it does not show up in dba_temp_files & v$tempfile in
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.2.0.6.0 - 64bit Production
PL/SQL Release 9.2.0.6.0 - Production
CORE 9.2.0.6.0 Production
TNS for Solaris: Version 9.2.0.6.0 - Production
NLSRTL Version 9.2.0.6.0 - Production
SQL> exec print_table('SELECT * FROM DBA_TABLESPACES WHERE TABLESPACE_NAME=''TEMP''');
TABLESPACE_NAME : TEMP
BLOCK_SIZE : 16384
INITIAL_EXTENT : 524288
NEXT_EXTENT : 2097152
MIN_EXTENTS : 1
MAX_EXTENTS :
PCT_INCREASE : 0
MIN_EXTLEN : 2097152
STATUS : ONLINE
CONTENTS : TEMPORARY
LOGGING : LOGGING
FORCE_LOGGING : NO
EXTENT_MANAGEMENT : DICTIONARY
ALLOCATION_TYPE : USER
PLUGGED_IN : NO
SEGMENT_SPACE_MANAGEMENT : MANUAL
DEF_TAB_COMPRESSION : DISABLED
-----------------