How to recover the recovery hd in mountain lion

i notices the recovery hd is missing appear in my mountain lion ..how to recovery it...
Last login: Tue Jan 15 15:03:59 on console
theinarasu-2:~ theinarasu$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *750.2 GB   disk0
   1:                        EFI                         209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            644.0 GB   disk0s2
   3:       Microsoft Basic Data BOOTCAMP                105.8 GB   disk0s3
theinarasu-2:~ theinarasu$

You have to reinstall OS X. Open App Store > Purchases, and download and install Mountain Lion, so Recovery HD will be created.
Also, if your Mac is compatible with Internet Recovery, you don't need Recovery HD. See > http://support.apple.com/kb/HT4904

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